Once the figure is base coated I give the figure a wash of Vallejo Sepia Wash. Once dry I apply the highlights as follows:

Japanese Uniform: 923 - Highlight with Japanese Uniform: 923 and then a mix of Japanese Uniform: 923 and Ivory: 918
Green Brown: 879 - Highlight with Green Brown: 879 and then a mix of Green Brown: 879 and Dark Sand: 847
Dark Sand: 847 - Highlight with Dark Sand: 847 and then a mix of Dark Sand: 847 and Ivory: 918
Saddle Brown: 940 - Highlight with Saddle Brown: 940 and then with a mix of Saddle Brown: 940 and Dark Sand: 847
Black:950 - Highlight with Black Grey:962 or Highlight with a mix of Gunmetal Grey:863 and Black:950 for the bayonets and rifle fittings, then bayonets are then further highlighted in Gunmetal Grey:863 and Silver:997
Tan Yellow: 912 - Highlight with Tan Yellow: 912 and then again with a mix of Tan Yellow: 912 and Ivory: 918
Flat Green: 968 - Highlight with Flat Green: 968 and then with a mix of Flat Green: 968 and Dark Sand: 847